The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 1985
Filed:
Nov. 23, 1982
Applicant:
Inventors:
Assignee:
Werner & Pfleiderer, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164 80 ; 164 97 ; 1643381 ;
Abstract
A process for providing abrasion and corrosion resistance in the borehole of a steel body comprising placing an alloying material of solid form within the borehole of the steel body, the alloying material having abrasion and corrosion resistance, and thereafter melting the alloying material in a gas heated protective gas oven to effect diffusion bonding of the alloying material with the steel body and the formation of an abrasion and corrosion resistant lining on the steel body. The borehole is of non-circular shape in cross-section and, particularly, of figure 8 shape as shown in FIG. 2.